Add whipping cream and condensed beef broth. Heat over medium heat till tiny bubbles just form around the edge; reduce heat. Cook over medium-low heat, stirring occasionally with a wooden spoon, for 20 to 25 minutes or till mixture thickens to desired consistency. Season to taste with salt; set aside.

For tenderloin steaks:Trim fat from steaks. For a charcoal grill, grill on the rack of an uncovered grill directly over medium coals to desired doneness, turning once halfway through. (Allow 14 to 18 minutes for medium rare and 18 to 22 minutes for medium.) For a gas grill, preheat grill. Reduce heat to medium. Place steaks on grill rack over heat. Grill as above.

To serve, reheat the Marsala Peppercorn Sauce; transfer to a serving bowl and pass with steaks. Serve with your favorite mashed potatoes.